.site-head{
    height: 150px;
    min-width: 1152px;
}

.site-head .topbar{
    height: 32px;
    background-color:  #2A2A2A;
    line-height: 32px;
}
/* 超级链接不从父元素继承颜色 */
.site-head .topbar a{
    color:white;
}
.site-head .topbar .shortcut-links{
    float:left;
}
.site-head .topbar .shortcut-links ul{
    
}
.site-head .topbar .shortcut-links>ul>li{
    float:left;
    margin-right:18px;
    font-size:12px;
}
.site-head .topbar .shortcut-links>ul>li.have-menu{
    padding-right:12px;
    position: relative;
}
.site-head .topbar .shortcut-links>ul>li.have-menu .arrow{
    position: absolute;
    right:0;
    top:50%;
    margin-top:-6px;
    width:12px;
    height:12px;
    transition: transform .5s ease .2s;
}
.site-head .topbar .shortcut-links>ul>li.have-menu .menu{
    position:absolute;
    top:32px;
    left:0;
    background-color: white;
    z-index: 999;
    /* 隐藏 */
    display: none;
    padding: 10px;
}
.site-head .topbar .shortcut-links>ul>li.have-menu:hover .menu{
    display: block;
}
.site-head .topbar .shortcut-links>ul>li.have-menu:hover .menu .menu-list li{
    height: 20px;
    line-height: 20px;
}
.site-head .topbar .shortcut-links>ul>li.have-menu:hover .menu .menu-list a{
    font-size:12px;
    color: #1c1F21;
    line-height: 20px ;
}
.site-head .topbar .shortcut-links>ul>li.have-menu:hover .menu .menu-list a:hover{
    color:orange;
}
.site-head .topbar .shortcut-links>ul>li.have-menu .sqmenu{
    width: 110px;
}
.site-head .topbar .shortcut-links>ul>li.have-menu .scmenu{
    width: 80px;
}

.site-head .topbar .shortcut-links>ul>li.have-menu .jdmsmenu{
    width: 80px;
}


.site-head .topbar .shortcut-links>ul>li.have-menu:hover .arrow{
    transform: rotate(180deg);
}

.site-head .topbar .shortcut-links>ul>li.have-menu .arrow b{
    position:absolute;
    left: 3px;
    top: 2px;
    width: 6px;
    height: 6px;
    background-color: #fff;
    transform: rotate(45deg);
}
.site-head .topbar .shortcut-links>ul>li.have-menu .arrow i{
    position:absolute;
    left: 3px;
    top: 0.5px;
    width: 6px;
    height: 6px;
    background-color: #2A2A2A;
    transform: rotate(45deg);
}
.site-head .topbar .topbar-r{
    float:right;
    width: 227px;
}
.site-head .topbar .topbar-r a, .site-head .topbar .topbar-r span{
    margin-right: 16px;
    font-size:12px;
    color: #fff;
}
.site-head .topbar .topbar-r a:last-child{
    margin-right: 0px;
}

.site-head .main-nav{
    height: 40px;
    background-color: #20BD9A;
}
.site-head .main-nav ul li{
    float: left;
    margin-right:18px;
}
.site-head .main-nav ul li.have-menu{
    padding-right: 16px;
    position:relative;
}
.site-head .main-nav ul li a{
    line-height: 40px;
    color:white;
    font-size:16px;
}
.site-head .main-nav ul li.have-menu::before{
    content:'';
    position: absolute;
    right:0;
    top:18px;
    width: 0px;
    height: 0px;
    border:5px solid transparent;
    border-top-color:white;
    transition: transform .5s ease 0s;   
}
.site-head .main-nav ul li.have-menu:hover::before{
    transform: rotate(180deg);
}

.site-head .main-nav ul li .menu{
    position:absolute;
    top:35px;
    left: 0;
    background-color: white;
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.20);
    padding: 10px;
    display: none;
}

.site-head .main-nav ul li:hover .menu{
    display: block;
}
.site-head .main-nav ul li .jjzyxmenu{
    width: 150px;
}
.site-head .main-nav ul li .gtymenu{
    width: 90px;
}
.site-head .main-nav ul li .ddwlmenu{
    width: 190px;
}
.site-head .main-nav ul li .sdlymenu{
    width: 160px;
}

.site-head .main-nav ul li .menu dl dd a{
    color: #1c1F21;
    font-size: 12px;
    line-height: 20px;
}
.site-head .main-nav ul li .menu dl dd a:hover{
    color: orange;
}


.site-head .header-con{
    height: 36px;
    padding:21px 0;

}
.site-head .header-con h1{
    float: left;
    font-size: 24px;
    color:#20BD9A;
    font-weight: bold;
    line-height: 36px;
}
.site-head .header-con .soso-box{
    float:left;
    margin-left: 20px;
    width:405px;    
    padding-top: 2px;
}
.site-head .header-con .soso-box input{
    width: 361px;
    height: 28px;
    border:1px solid #20BD9A;
    border-radius:4px 0 0 4px;
    font-size: 14px;
    /* 取消默认的外线 外线是文本框特有 */
    outline:none;
    padding-left:10px;
    float: left;
}
.site-head .header-con .soso-box .btn{
    float: left;
    width: 32px;
    height: 30px;
    background-color: #20BD9A;
    line-height: 30px;
    text-align: center;
    color: #fff;
    border-radius: 0 4px 4px 0;
}

.banner{
    position: relative;
}
.banner img{
    width: 100%;
    /* 使用min-width属性 限制图片最小大小 */
    min-width: 1152px;
    /* 图片和盒子产生一些间隙 此时设置基线对齐 */
    vertical-align: middle;
}

.banner .center-wrap{
    position: absolute;
    top:0;
    left: 0;
    width: 1152px;
    left: 50%;
    margin-left: -576px;
    height: 100%;
}

.banner .center-wrap .banner-nav{
    height: 100%;
}
.banner .center-wrap .banner-nav ul{
    height: 100%;
}

.banner .center-wrap .banner-nav ul li{
    height: 16.66%;
    width: 296px;
    background-image: linear-gradient(to bottom,red,blue);
}
.banner .center-wrap .leftbtn{
    position: absolute;
    width: 28px;
    height: 44px;
    background-color: url(../images/icons.png) no-repeat -21px -94px;
    top:50%;
    left:-38px;
    margin-top:-22px;
}
.banner .leftbtn:hover,.banner .center-wrap .rightbtn:hover{
    /* 透明度 */
    opacity: 0.8;
}
.banner .center-wrap .rightbtn{
    position: absolute;
    width: 28px;
    height: 44px;
    background-color: url(../images/icons.png) no-repeat -21px -29px;
    top:50%;
    right:-38px;
    margin-top:-22px;
}
